| Dec. |
abbreviation of "December." |
| decade |
a unit of time equal to ten years. |
| decagon |
a figure with ten sides and ten angles. |
| decal |
a design or picture on specially prepared paper. Decals can be transferred from the paper to glass, metal, or other hard surfaces. |
| decanter |
a pretty glass bottle with a stopper. A decanter is usually used to serve wine or liquor. |
| decathlon |
an athletic contest made up of ten different track and field events. Each athlete takes part in all ten events, over a period of two days. |
| decay |
to rot or become rotted. [4 definitions] |
| deceased |
no longer alive; dead. [2 definitions] |
| deceit |
the act of lying or cheating. [2 definitions] |
| deceive |
to cause to believe something that is not true; trick or fool. |
| December |
the twelfth month of the year. December has thirty-one days. Winter begins in December for people who live north of the equator. |
| decent |
proper or suitable. [3 definitions] |
| deception |
the act of causing someone to believe something that is not true. |
| decibel |
a unit used to measure the loudness of sound. (abbreviated: dB) |
| decide |
to settle, choose, or solve. [3 definitions] |
| deciduous |
having leaves that drop off each year. |
| decimal |
based on the number ten. [3 definitions] |
| decimal point |
a period placed between the units and the tenths in decimal numbers. It is used when writing money amounts to separate dollars and cents. |
| decipher |
to change from a code into ordinary language. [2 definitions] |
| decision |
the act or result of making up one's mind. |
| decisive |
able to make firm decisions or end arguments. [2 definitions] |